Industry Resources
Broomrape
Broomrapes are parasitic plants that attack a broad range of high-value broadleaf crops — including tomato, cabbage, potato, eggplant, carrot, pepper, beans, celery, peanut, and sunflower.
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Members
Member companies get the full resource library.
Questions about industry data?
Contact the CSA office
UCD Broomrape Website
Access relevant resources, all in one place
The UC Davis Broomrape Research Website is a central resource for current research, educational materials, and project updates related to broomrape management. The website is currently focused on processing tomato but can be expanded.


Compliance Agreements
Recommendations for meeting compliance agreements
UC Davis has developed guidance and best management practices to help processing tomato growers and industry members meet California Department of Food and Agriculture (CDFA) compliance agreement requirements.
Educational Tools
Access online resources
The UC Davis Broomrape Research YouTube Channel provides educational videos supporting broomrape identification, training, outreach, and industry awareness, with additional content planned as research progresses.


GDD Calculator
Obtain relevant data
Tracks cumulative Growing Degree Day (GDD) and predicts developmental stages of branched broomrape (Phelipanche ramosa L.) since transplanting (Base Temp = 10 °C / 50 °F), using observed weather, a 16-day forecast, and 5-year historical averages for dates beyond the forecast horizon.
